<ACCESSION-NUMBER>0001193125-12-160407 <TYPE>DEF 14A <PUBLIC-DOCUMENT-COUNT>7 <PERIOD>20120525 <FILING-DATE>20120412 <DATE-OF-FILING-DATE-CHANGE>20120412 <EFFECTIVENESS-DATE>20120412 <FILER> <COMPANY-DATA> <CONFORMED-NAME>ZIONS BANCORPORATION /UT/ <CIK>0000109380 <ASSIGNED-SIC>6021 <IRS-NUMBER>870227400 <STATE-OF-INCORPORATION>UT <FISCAL-YEAR-END>1231 </COMPANY-DATA> <FILING-VALUES> <FORM-TYPE>DEF 14A <ACT>34 <FILE-NUMBER>001-12307 <FILM-NUMBER>12756195 </FILING-VALUES> <BUSINESS-ADDRESS> <STREET1>ONE SOUTH MAIN STREET <STREET2>15TH FLOOR <CITY>SALT LAKE CITY <STATE>UT <ZIP>84111 <PHONE>8015244787 </BUSINESS-ADDRESS> <MAIL-ADDRESS> <STREET1>ONE SOUTH MAIN STREET <STREET2>15TH FLOOR <CITY>SALT LAKE CITY <STATE>UT <ZIP>84111 </MAIL-ADDRESS> <FORMER-COMPANY> <FORMER-CONFORMED-NAME>ZIONS UTAH BANCORPORATION <DATE-CHANGED>19870615 </FORMER-COMPANY> <FORMER-COMPANY> <FORMER-CONFORMED-NAME>ZIONS FIRST NATIONAL INVESTMENT CO <DATE-CHANGED>19660921 </FORMER-COMPANY> </FILER>